1LQV Blood Clotting date May 13, 2002
title Crystal Structure Of The Endothelial Protein C Receptor With Phospholipid In The Groove In Complex With Gla Domain Of Pr
authors V.Oganesyan, N.Oganesyan, S.Terzyan, Q.Dongfeng, Z.Dauter, N.L.Es C.T.Esmon
compound source
Molecule: Endothelial Protein C Receptor
Chain: A, B
Fragment: Extracellular Domain
Synonym: Endothelial Cell Protein C Receptor, Activated Pro Receptor, Apc Receptor;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Cricetulus Griseus
Expression_system_common: Chinese Hamster
Expression_system_taxid: 10029
Expression_system_strain: Cho Leci
Expression_system_vector_type: Eukaryotic
Expression_system_vector: Pee14.1
Expression_system_plasmid: Pee Epcr

Molecule: Vitamin-K Dependent Protein C
Chain: C, D
Fragment: Protein C Gla Domain
Synonym: Autoprothrombin Iia, Anticoagulant Protein C, Bloo Coagulation Factor Xiv;
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Other_details: Cleavage Happened During Crystallization And Crystal Contains Only The N-Terminal Domain (Gla Domain) Of C.
symmetry Space Group: P 1 21 1
R_factor 0.189 R_Free 0.222
length a length b length c angle alpha angle beta angle gamma
59.220 62.360 71.030 90.00 101.81 90.00
method X-Ray Diffractionresolution 1.60 Å
ligand CA, CGU, NAG, NDG, PTY enzyme
note 1LQV is a representative structure
related structures by homologous chain: 1L8J
subcellular loc. Membrane localization by OPM: Eukaryotic plasma membrane
extracellular side
cytoplasmic side
A, B

D, C

Primary referenceThe crystal structure of the endothelial protein C receptor and a bound phospholipid., Oganesyan V, Oganesyan N, Terzyan S, Qu D, Dauter Z, Esmon NL, Esmon CT, J Biol Chem 2002 Jul 12;277(28):24851-4. PMID:12034704
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (96 Kb) [Save to disk]
  • Biological Unit Coordinates (1lqv.pdb1.gz) 45 Kb
  • Biological Unit Coordinates (1lqv.pdb2.gz) 44 Kb
  • LPC: Ligand-Protein Contacts for 1LQV
  • CSU: Contacts of Structural Units for 1LQV
  • Likely Quarternary Molecular Structure file(s) for 1LQV
  • Structure Factors (559 Kb)
  • Retrieve 1LQV in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1LQV from S2C, [Save to disk]
  • Re-refined 1lqv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1LQV in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 1LQV
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1LQV, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1lqva_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1lqvb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1lqvc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1lqvd_, region D [Jmol] [rasmolscript] [script source]
  • Fold representative 1lqv from FSSP and Dali (Families of Structurally Similar Proteins)
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1lqv_A] [1lqv_C] [1lqv] [1lqv_D] [1lqv_B]
  • SWISS-PROT database: [Q9UNN8] [P04070]
  • Domain organization of [EPCR_HUMAN] [PROC_HUMAN] by SWISSPFAM
  • Domain found in 1LQV: [GLA ] by SMART
  • Other resources with information on 1LQV
  • Community annotation for 1LQV at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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